diff --git a/lib/common.css b/lib/common.css
index 6bdfa0b48de..97c07f5225e 100644
--- a/lib/common.css
+++ b/lib/common.css
@@ -42,7 +42,7 @@ p {
 /* Allow wrapping code and remove colored background */
 code, tt {
   white-space: pre-wrap;
-  word-break: break-all;
+  word-break: break-word;
   word-wrap: break-word;
   border-width: 0px;
   background-color: inherit;